:root{--purple-light:#6e78f3;--purple-normal:#7260e0;--purple-dark:#5445b0;--purple-lightest:#eeecfb;--gradient-01:linear-gradient(90deg,#9282fa,#6e78f3);--gradient-green:linear-gradient(90deg,#17b26a,#0ecc8d);--green-normal:#3c9;--gray-25:#fcfcfd;--gray-50:#f9fafb;--gray-100:#f2f4f7;--gray-200:#eaecf0;--gray-300:#d0d5dd;--gray-500:#667085;--gray-400:#98a2b3;--gray-600:#475467;--gray-700:#344054;--gray-800:#2d3748;--gray-900:#171c2c;--blueLight-50:#f0f9ff;--purple-25:#fcfaff;--purple-200:#e9d7fe;--red-500:#f04438;--red-50:#fef3f2;--green-50:#ecfdf3;--green-600:#079455;--white:#fff;--max-width:1100px}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,-apple-system,sans-serif;color:var(--gray-700);background:var(--white);-webkit-font-smoothing:antialiased;line-height:1.5}h1,h2,h3,h4{color:var(--gray-800);line-height:1.15}h1{font-size:3rem;font-weight:800}h2{font-size:2.25rem;font-weight:700}.gradient-text{background-image:var(--gradient-01);color:transparent}.gradient-text,.hero-title-fade{-webkit-background-clip:text;background-clip:text}.hero-title-fade{background-image:linear-gradient(120deg,var(--purple-light) 0,var(--purple-light) 35%,var(--purple-200) 50%,var(--purple-light) 65%,var(--purple-light) 100%);background-size:250%;color:transparent!important;-webkit-text-fill-color:transparent;font-weight:800;animation:shine 3.5s ease-in-out infinite alternate}@keyframes shine{0%{background-position:200%}to{background-position:-100%}}a{color:var(--purple-light);text-decoration:none}.container{width:var(--max-width);max-width:100%;margin:0 auto;padding:0 20px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;border-radius:8px;border:1px solid transparent;font-weight:600;font-size:1rem;cursor:pointer;transition:all .15s ease}.btn:hover{filter:brightness(.97);transform:scale(1.01)}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}.btn-primary{background-image:var(--gradient-01);color:var(--white)}.btn-green{background-image:var(--gradient-green);color:var(--white)}.btn-secondary{background:var(--white);border-color:var(--gray-300);color:var(--gray-700)}.btn-block{width:100%}.btn-xl{padding:12px 22px;font-size:1rem}.btn-2xl{padding:16px 28px;font-size:1.125rem}.dropdown-item:hover{background:var(--gray-50)}.estado-btn{display:flex;align-items:center;justify-content:center;padding:14px 16px;border-radius:12px;border:1.5px solid var(--purple-200);background:var(--purple-25,#fcfaff);transition:all .15s ease}.estado-btn .gt{-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;font-weight:700;font-size:.9rem}.estado-btn .gt,.estado-btn:hover{background-image:var(--gradient-01)}.estado-btn:hover{border-color:transparent;transform:translateY(-2px);box-shadow:0 8px 20px rgba(110,120,243,.28)}.estado-btn:hover .gt{-webkit-text-fill-color:#fff;color:#fff}.estado-btn.ativo{border-color:var(--purple-light)}summary::-webkit-details-marker{display:none}summary::marker{content:""}.card{background:var(--white);border:1px solid var(--gray-200);border-radius:16px;padding:24px;box-shadow:0 1px 3px rgba(16,24,40,.06)}.btn-primary{position:relative;z-index:1}.btn-primary:before{content:"";z-index:-1;position:absolute;inset:0;border-radius:8px;background-image:var(--gradient-01);filter:blur(15px);opacity:0;transition:opacity .2s ease}.btn-primary:hover:before{opacity:.5}.check-list{list-style:none;padding:0;display:grid;grid-gap:14px;gap:14px}.check-list li{display:flex;align-items:center;gap:12px;font-size:1.125rem;color:var(--gray-700)}.check-list li:before{content:"✓";flex:none;width:26px;height:26px;border-radius:999px;background:var(--purple-lightest);color:var(--purple-light);display:grid;place-items:center;font-weight:800;font-size:.9rem}.hero{position:relative;overflow:hidden}.hero:after,.hero:before{content:"";position:absolute;border-radius:999px;filter:blur(90px);opacity:.25;z-index:0}.hero:before{width:420px;height:420px;background:#9282fa;top:-120px;left:-80px}.hero:after{width:360px;height:360px;background:#3c9;bottom:-120px;right:-60px}.avatars{display:flex}.avatars span{width:36px;height:36px;border-radius:999px;border:2px solid var(--white);margin-left:-10px;background:var(--gradient-01)}.avatars span:first-child{margin-left:0}.video-card{position:relative;aspect-ratio:3/4;border-radius:14px;overflow:hidden;background:linear-gradient(180deg,#2d2a45,#171427);display:flex;align-items:flex-end;padding:16px;color:#fff;transition:transform .15s ease}.video-card:hover{transform:translateY(-4px)}.video-card .play{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:48px;height:48px;border-radius:999px;background:hsla(0,0%,100%,.9);display:grid;place-items:center;color:var(--purple-normal);font-size:1.2rem}.video-card b{position:relative;z-index:1;font-size:.95rem;line-height:1.2}.float-play{display:inline-flex;align-items:center;gap:10px;background:var(--white);border-radius:999px;padding:8px 16px 8px 8px;box-shadow:0 8px 24px rgba(16,24,40,.18)}.float-play .dot{width:36px;height:36px;background:var(--gradient-01);place-items:center;color:#fff}.float-play .dot,.whatsapp{border-radius:999px;display:grid}.whatsapp{position:fixed;bottom:22px;right:22px;width:56px;height:56px;background:#25d366;place-items:center;color:#fff;font-size:1.6rem;box-shadow:0 8px 24px rgba(0,0,0,.2);z-index:50}@media (max-width:860px){.two-col{grid-template-columns:1fr!important}h1{font-size:2.25rem!important}.desktop-only-flex{display:none!important}}.app-nav-link{color:var(--gray-700);font-size:.95rem;padding:6px 2px;border-bottom:2px solid transparent}.app-nav-link.ativo{color:var(--purple-light);border-bottom-color:var(--purple-light);font-weight:600}.app-shell{min-height:100vh;background:var(--gray-50)}.app-main{width:var(--max-width);max-width:100%;margin:0 auto;padding:28px 20px 70px}.voltar-link{color:var(--gray-500);font-size:.9rem;display:inline-flex;gap:6px;align-items:center;margin-bottom:14px}.grid-cards{display:grid;grid-gap:16px;gap:16px}.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-auto{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}.materia-card{display:flex;align-items:center;justify-content:space-between;gap:12px;cursor:pointer;transition:box-shadow .15s,transform .15s}.materia-card:hover{box-shadow:0 10px 30px rgba(16,24,40,.1);transform:translateY(-2px)}.materia-card img{width:64px;height:64px;object-fit:contain;flex:none}.prog-track{background:var(--gray-100);overflow:hidden}.prog-fill,.prog-track{height:8px;border-radius:999px}.prog-fill{background:var(--gradient-01);transition:width .3s}.prog-fill.green{background:var(--gradient-green)}.lista-aula{display:flex;align-items:center;gap:16px;padding:16px 4px;border-bottom:1px solid var(--gray-100)}.num-badge{width:34px;height:34px;background:var(--purple-lightest);color:var(--purple-normal);display:grid;place-items:center;font-size:.8rem;font-weight:600}.num-badge,.switch{border-radius:999px;flex:none}.switch{width:44px;height:24px;background:var(--gray-200);position:relative;cursor:pointer;border:none;transition:background .2s}.switch.on{background-image:var(--gradient-01)}.switch:after{content:"";position:absolute;top:3px;left:3px;width:18px;height:18px;border-radius:999px;background:#fff;transition:transform .2s}.switch.on:after{transform:translateX(20px)}.prose{color:var(--gray-700);line-height:1.7}.prose h2{font-size:1.25rem;margin:22px 0 8px}.prose h3{font-size:1.08rem;margin:18px 0 6px}.prose p{margin:10px 0}.prose ol,.prose ul{margin:10px 0 10px 22px}.prose li{margin:4px 0}.prose img{max-width:100%;height:auto;border-radius:10px;margin:12px 0}.prose table{border-collapse:collapse;width:100%;margin:12px 0}.prose td,.prose th{border:1px solid var(--gray-200);padding:7px 10px}.prose strong{color:var(--gray-800)}.opcao{display:flex;gap:12px;align-items:center;padding:14px 16px;border:1.5px solid var(--gray-200);border-radius:12px;cursor:pointer;background:#fff;transition:border-color .15s,background .15s}.opcao:hover{border-color:var(--purple-200)}.opcao.sel{border-color:var(--purple-light);background:var(--purple-25)}.opcao.certa{border-color:var(--green-600);background:var(--green-50)}.opcao.errada{border-color:var(--red-500);background:var(--red-50)}.opcao .letra{width:30px;height:30px;border-radius:999px;background:var(--gray-100);display:grid;place-items:center;font-weight:600;flex:none;text-transform:lowercase}.opcao.certa .letra,.opcao.sel .letra{color:#fff;background-image:var(--gradient-01)}.opcao.certa .letra{background:var(--green-600)}.opcao.errada .letra{background:var(--red-500);color:#fff}.donut{width:150px;height:150px;place-items:center;flex:none}.donut,.donut>div{border-radius:999px;display:grid}.donut>div{width:116px;height:116px;background:#fff;place-items:center;text-align:center}.tab-bar{display:flex;gap:8px;flex-wrap:wrap;margin:18px 0}.tab-bar a{padding:8px 16px;border-radius:999px;background:var(--white);border:1px solid var(--gray-200);color:var(--gray-700);font-size:.9rem}.tab-bar a.ativo{background-image:var(--gradient-01);color:#fff;border-color:transparent}@media (max-width:760px){.grid-2,.grid-3{grid-template-columns:1fr}.app-desktop-nav{display:none!important}}